There’s running, and then there’s running in boost. The Ultra Boost change everything you think you knew about what fast, cushioned and comfortable feels like. They have boost foam in the midsole that has an incredibly responsive ground feel and keeps its form even in colder-than-cold weather. These shoes are designed to return energy to every step you make, and they feature a seamless and stretchy Primeknit upper, TORSION SYSTEM that supports the midfoot while allowing for natural motion, and a stretch web outsole that adapts to your foot strike.
- Boost energy-returning properties keep every step charged with an endless supply of light, fast energy
- adidas Primeknit is carefully engineered to naturally expand with your foot while you run to deliver a more comfortable fit and help reduce irritation; Engineered mesh upper with various types of mesh
- Bootee construction for comfortable fit; Featherweight sockliner adapts to the foot for customized fit and feel; TORSION SYSTEM for midfoot integrity
- Highly elastic, snug-fitting heel with external heel counter for natural Achilles movement, stability and comfort
- STRETCHWEB rubber outsole is lightweight and elastic, adapting to the ground for stability and working strategically to optimise the unique properties of boost™ from touchdown to push-off